Bottle insulator



FIG. 1 is a side perspective view of a bottle insulator;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a side perspective exploded view thereof.

In the drawings, the broken lines depict environmental subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a bottle insulator, as shown and described. 